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Finding the Fourth Proportional to 1,796.76, 2,695.02 and 626.31

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Solution

The fourth proportional to 1,796.76, 2,695.02 and 626.31 is: 939.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796.76 : 2,695.02 = 626.31 : x
  2. Step 2: Convert to fraction form
    1,796.76/2,695.02 = 626.31/x
  3. Step 3: Cross multiply
    1,796.76x = 2,695.02 × 626.31
  4. Step 4: Simplify right side
    1,796.76x = 1,687,917.98
  5. Step 5: Solve for x
    x = 1,687,917.98/1,796.76
  6. Step 6: Final answer
    x = 939.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.